56
Viscount
Chorum
User Manual
20H 00H: device family member code
xxH yyH zzH vvH: software version
F7H: End of Exclusive
•
Master Fine Tuning
Parameter: Tuning
Video page: Main page
Data format: F0H 7FH 7FH 04H 03H vvH nnH
F7H
F0H: Exclusive status
7FH: Universal Realtime message
7FH: channel (any)
04H: Sub-ID #1=Device Control message
03H: Sub-ID #2=Master Fine tuning
vvH nnH: fine tuning value
00H 00H: A4=415,3 Hz
00H 40H: A4=440 Hz
7FH 7FH: A4=466,2 Hz
F7H: End of Exclusive
•
Temperament
Parameter: Temperament
Video page: Main page
Data format: F0H 7EH 7FH 08H 08H 03H 7FH
7FH [ss] ... F7H
F0H: Exclusive status
7EH: Universal Non Realtime message
7FH: channel (any)
08H: Sub-ID #1=MIDI Tuning standard
08H: Sub-ID #2=scale/octave tuning 1-byte
form (Non Real-Time)
03H: channel/options byte 1
7FH: channel byte 2
7FH: channel byte 3
[ss]:12 byte tuning offset of 12 semitones
from C to B
00H: -64 cents
40H: 0 cents
7FH: +64 cents
F7H: End of Exclusive
VISCOUNT SYSTEM EXCLUSIVE
MESSAGES
•
Register on/off
Data format: F0H 31H snH xxH yyH F7H
F0H : Exclusive status
31H : Viscount ID
sH : switch
0H=voice
off
4H=voice
on
nH : channel number (0H – EH)
xxH : voice id – first byte
yyH : voice id – second byte
F7H: End of Exclusive
•
Tremulant Speed
Parameter: Spd
Video page: Style/ Tremulants
Data format: F0H 31H 2nH 5AH vvH F7H
F0H : Exclusive status
31H : Viscount ID
2nH : channel number (s=0H–EH)
5AH : tremulant speed
vvH : speed value (04H–20H)
F7H: End of Exclusive
-
This message is transmitted when the
Tremulant is switched on.
•
Tremulant Depth
Parameter: Dpt
Video page: Style / Tremulant
Data format: F0H 31H 2nH 5CH vvH F7H
F0H : Exclusive status
31H : Viscount ID
2nH : channel number (s=0H–EH)
5CH : 1st tremulant depth
vvH : depth value (04H–20H)
F7H: End of Exclusive
-
This message is transmitted when the
Tremulant is switched on.
-
When switched off, the tremulant depth
value is trasmitted as 00H
•
Temperament
Parameter: Temper.
Video page: Main page
Data format: F0H 31H 2FH 31H vvH F7H
F0H : Exclusive status
31H : Viscount ID
2FH : system control
31H : temperament
vvH : temperament type
00H=Equal
10H=Kirnberger
II
11H=Werckmeister
III
12H=Pythagorean
13H=Meantone
3#
14H=Vallotti
15H=Chaumont
16H=Kellner
1975
17H=Kirnberger
III
18H=Werckmeister
IV
19H=Werckmeister
V
1AH=Silbermann
1BH=Meantone
3b
1CH=Meantone
3M
1DH=Zarlino
1EH=Sauveur
1
1FH=Sauveur
2
20H=Barca
F7H: End of Exclusive